PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X101-2Contact,electrical

Barker & Williamson · NSN 5999-00-378-5277 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-378-5277 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-378-5277. Primary manufacturer part number: X101-2.
Features
  • Contact,electrical — FSC 5999
  • 2 verified cross-references
  • Primary manufacturer: Barker & Williamson
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-378-5277, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Barker & Williamson. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameContact,electrical
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersBarker & Williamson (CAGE 05690); Smart Machines, Inc. Dba Barker and Williamson (CAGE 4W146)
Technical Specifications
ParameterValue
NSN5999-00-378-5277
Primary Part NumberX101-2
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerBarker & Williamson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5315-00-234-3962X10-12 INTERCHANGEABLE
Key,woodruff
Parker Hannifin Corporation Div Cylinder Division
5310-00-641-9283X1012 INTERCHANGEABLE
Washer,lock
Prestolite Electric Inc
5340-00-673-3772997X INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
Cross-Reference Index
Part NumberManufacturer
X101-2 Barker & Williamson (USA)
X101-2 Smart Machines, Inc. Dba Barker and Williamson (USA)
Related Parts
5315-00-234-3962INTERCHANGEABLE
KEY,WOODRUFF
X10-12
5310-00-641-9283INTERCHANGEABLE
WASHER,LOCK
X1012
5340-00-673-3772INTERCHANGEABLE
KEY BLANK
997X

Frequently Asked Questions

What is NSN 5999-00-378-5277?

NSN 5999-00-378-5277 is a Contact,electrical, manufactured by Barker & Williamson, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-378-5277?

NSN 5999-00-378-5277 has 2 cross-referenced part numbers: X101-2 (Barker & Williamson), X101-2 (Smart Machines, Inc. Dba Barker and Williamson).

What NSN replaces 5999-00-378-5277?

There are 3 known substitutes for 5999-00-378-5277: 5315-00-234-3962, 5310-00-641-9283, 5340-00-673-3772. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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